CSTSB4/N4 Stud Type Terminal Block is used in industrial electrical applications where strong mechanical wire termination and vibration-resistant electrical connections are required. It is specially designed for circuits where conductors are terminated using ring type or fork type lugs (ferrules) and secured onto a flat current bar using an M4 stud connection. This makes it ideal for industrial control panels, switchgear assemblies, power distribution systems, and machine wiring applications where secure high-vibration resistant connections are essential.
CSTSB4/N4 works as a feed-through stud type terminal block where the conductor is first crimped with a ring or fork lug and then mounted onto the flat conductive current bar using an M4 stud screw and nut arrangement. This creates a strong mechanical and electrical connection that resists loosening under vibration. Cross connection can also be achieved using compatible shorting links, making it suitable for commoning and structured circuit wiring in industrial applications.
CSTSB4/N4 improves electrical safety by providing a secure lug-based stud connection, reducing the risk of loose wiring in vibration-prone industrial environments. Its structured terminal design improves wiring organization and makes circuit maintenance easier. Protective covers can also be used to shroud live parts, improving operator safety in electrical panel applications.
CSTSB4/N4 is manufactured using high-quality Melamine insulated housing that provides excellent electrical insulation, heat resistance, and strong mechanical durability. Its M4 stud connection system and flat conductive current bar ensure secure wire holding and low resistance current transfer. The rugged industrial-grade construction makes it suitable for demanding electrical applications with vibration and mechanical stress.
Using CSTSB4/N4 improves panel wiring by creating a secure and organized lug-based terminal connection system. It reduces the chances of loose conductor terminations, improves maintenance accessibility, and supports structured wiring in industrial electrical panels. DIN rail mounting also helps save panel space and creates a cleaner professional wiring layout.
| Specification | Details |
|---|---|
| Model Number | CSTSB4/N4 |
| Product Type | Stud Type Terminal Block |
| Connection Type | Stud / Busbar / Bolt |
| Product Function | Feed Through |
| Rated Voltage (IEC) | 1000 V |
| Rated Current (IEC) | 57 A |
| Conductor Size Solid | 1.5 – 10 mm² |
| Conductor Size Stranded | 1.5 – 10 mm² |
| Ferrule/Lug Capacity | 1.5 – 10 mm² |
| Twin Ferrule Capacity | 1.5 – 6 mm² |
| AWG Range | 22 – 6 AWG |
| Stud Size | M4 |
| Tightening Torque | 1.2 Nm |
| Wire Stripping Length | 12 mm |
| Wire Entry Orientation | Side Entry |
| Housing Material | Melamine |
| Rated Surge Voltage | 8 kV |
| Short-Time Withstand Current | 1.2 kA |
| Pollution Degree | 3 |
| Width (Thickness) | 13 mm |
| Length | 45 mm |
| Height (with DIN 32 Rail) | 45 mm |
| Mounting Type | DIN 32 Rail |
| Operation Type | Screwdriver / Nut Driver Operated |
| Colour | Khaki / Beige |
CSTSB4/N4 is widely used in:
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